Code of Federal Regulations · Section

§ 236.5 — Design Of Control Circuits On Closed Circuit Principle

49 C.F.R. § 236.5

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All control circuits the functioning of which affects safety of train operation shall be designed on the closed circuit principle, except circuits for roadway equipment of intermittent automatic train stop system.

49 C.F.R. § 236.4 49 C.F.R. § 236.6

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